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|What's in the News, Space #6: Spaceship Earth - NASA; Pennsylvania State Univ|
(May 7, 1993) Episode #6 of What’s in the News, Science focuses on the earth’s ecosystems. This program is intended for grades 4-7. To license this film and get a higher quality version for broadcast/film purposes, contact A/V Geeks LLC.
Keywords: NASA; earth ecosystems